1268886580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4880333}}^1$

素因数の和:4880355

約数の個数: 24

約数和(自身を含む): 2869636392

約数和(自身を除く): 1600749812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4880333, 9760666, 19521332, 24401665, 48803330, 63444329, 97606660, 126888658, 253777316, 317221645, 634443290, 1268886580]

約数ペア:

[(1, 1268886580), (2, 634443290), (4, 317221645), (5, 253777316), (10, 126888658), (13, 97606660), (20, 63444329), (26, 48803330), (52, 24401665), (65, 19521332), (130, 9760666), (260, 4880333)]